A machine screw is a type of fastener that, like, other fasteners, is used to join two or more objects. Machine screws are unique, though, because of their size. The American Society of Mechanical Engineers (ASME) defines machine screws as featuring a diameter of up to 0.75 inches. As a result, machine screws are generally smaller than most other types of screws.

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Machine screws are often preferred over other, larger screws. Because of their small size, they offer a wider range of applications. Machine screws can be used to join countless types of products, objects and surfaces.

Machine screws are also available in material different materials. Stainless steel is a popular material used in the construction of machine screws. It’s strong, durable and offers a high level of protection against rust and corrosion. Aluminum is another common material used in the construction of machine screws. Like stainless steel, it offers protection against rust and corrosion. Aluminum machine screws aren’t as strong as their stainless steel counterparts, but they don’t weigh as much, either. For applications where weight is a concern, aluminum machine screws may be preferred.

Many people assume that machine screws are used to join metal objects, such as machines, together. While this makes sense considering their name, the term “machine screw” actually refers to relatively small screws with a diameter of 0.75 inches or less.